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Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic representations of sound waves — longitudinal waves which travel through air, consisting of compressions and rarefactions.
The Audio Signal Processor (ASP) is a large-scale digital signal processor developed by James A. Moorer at Lucasfilm's The Droid Works.Moorer programmed a number of digital signal processing algorithms that were used in major motion picture features.
Seismic signal processing. Audio signal processing – for electrical signals representing sound, such as speech or music [12] Image processing – in digital cameras, computers and various imaging systems; Video processing – for interpreting moving pictures; Wireless communication – waveform generations, demodulation, filtering, equalization
A digital signal processor (DSP) is a specialized microprocessor chip, with its architecture optimized for the operational needs of digital signal processing. [ 1 ] : 104–107 [ 2 ] DSPs are fabricated on metal–oxide–semiconductor (MOS) integrated circuit chips.
ChucK, strongly timed, concurrent, and on-the-fly audio programming language; Real-time Cmix, a MUSIC-N synthesis language somewhat similar to Csound; Cmajor, a high-performance JIT-compiled C-style language for DSP; Common Lisp Music (CLM), a music synthesis and signal processing package in the Music V family
Delay is an audio signal processing technique that records an input signal to a storage medium and then plays it back after a period of time. When the delayed playback is mixed with the live audio, it creates an echo-like effect, whereby the original audio is heard followed by the delayed audio.
High-end commercial audio processing packages either combine the two techniques (for example by separating the signal into sinusoid and transient waveforms), or use other techniques based on the wavelet transform, or artificial neural network processing [citation needed], producing the highest-quality time stretching.
Audio signal flow is the path an audio signal takes from source to output. [1] The concept of audio signal flow is closely related to the concept of audio gain staging; each component in the signal flow can be thought of as a gain stage. In typical home stereo systems, the signal flow is usually short and simple, with only a few components.
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